FOI request detail

mechanical lost miles on LU

Request ID: FOI-1519-2324
Date published: 30 August 2023

You asked

Under the FOI Act, can I request the how many mechanical lost miles were recorded on the London Underground due to tube train breakdown in each of the last 3 operational years? I am unsure if 'mechanical lost miles' as used for buses is the same on the underground, but a similar figure would be useful.

We answered

TfL Ref: FOI-1519-2324

Thank you for your request which we received on 8 August 2023, asking for the number of lost miles on the London Underground in the last 3 years.

Your request has been considered in accordance with the requirements of the Freedom of Information Act and our information access policy.  I can confirm that we hold some of the information you require. You specifically asked:

Under the FOI Act, can I request the how many mechanical lost miles were recorded on the London Underground due to tube train breakdown in each of the last 3 operational years?

The data you asked for is regularly published on the TfL website and can be downloaded from this page:
https://tfl.gov.uk/corporate/publications-and-reports/underground-services-performance. This data is uploaded every period, with the detail of actual vs. scheduled kilometres operated, broken down by financial year, period and line. Unfortunately, we cannot break it down any further to be able to tell what amount of ‘lost kilometres’ was because of broken trains or any other reason.

In accordance with section 21 of the FOI Act, we are not obliged to supply you with a copy of the requested information as it is already accessible to you elsewhere.

If this is not the information you are looking for, or if you are unable to access it for any reason, please do not hesitate to contact me.

Please see the attached information sheet for details of your right to appeal as well as information on copyright and what to do if you would like to re-use any of the information we have disclosed.

Yours sincerely

Eva Hextall
FOI Case Management Team
General Counsel
Transport for London

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